1. First: Arabic sources
2. • The Holy Quran.
3. • Ben Setti, Hasina, 2013, Psychological Adjustment and its Relationship to Learning Motivation among First Year / Secondary Students, Master Thesis, Faculty of Humanities and Social Sciences, Kasdi Merbah Ouargla University.
4. • Bou Agada, Hind, 2013, Self-Esteem of the Unemployed Adolescent, Master Thesis, Faculty of Social Sciences, University of Oran.
5. • Jaward, Sidi M. and Ted Bazrom, 1972, Personality between Health and Illness, translated by Hassan Al-Fiqi and Sayed Khairallah, Anglo-Egyptian Bookshop, Cairo.